Application of Forward and Inverse Scattering Models for Ultrasonic Waves in Complex Layered Structures

Smith, Peter R.; Bond, Leonard J.; Green, D. T.; Chaloner, C.A.

doi:10.1007/978-1-4613-1893-4_13

Cited by 1 publication

(1 citation statement)

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“…For example, they have been used in multi-layered, cylindrical systems to determine the visco-elastic properties of the propellant [4]. And, ultrasonic waves have also been used in the implementation of various inversion schemes for defect sizing [5]. Various studies have considered the application of ultrasonics to solid rocket motor propellant and experimental work has been performed to quantify the effects of aging on propellant properties [6,7] .…”

Section: Introductionmentioning

confidence: 99%

Integrated Quality Assurance Program for the Hydra-70 Solid Rocket Motor

Morris

Glowacki

Bond

1998

Review of Progress in Quantitative Nondestructive Evaluation

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INTRODUCTIONThe Hydra-70 uses small solid rocket motors, which are produced in large numbers. It is used by all branches of the US armed forces and those of several other countries. A research and development program was initiated in 1994 which had the objective of improving the quality of the motors. The motors use solid fuel grain and the effort reported in this paper focuses on providing motors with higher reliability in terms of performance and safety, and at the same time achieving a significant reduction in inspection costs.The complete QA program for the Hydra-70 rocket motor considers all aspects of the life cycle. It considers motors at the time of manufacture and those in the stockpile. The analysis consideres the manufacturing process, defect analysis, physical and chemical testing, current real-time radiography (RTR), analysis of effects of aging, live firings and the use of ultrasonic testing. This paper reports aspects of the ultrasonic element of the program. BACKGROUND

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Section: Introductionmentioning

confidence: 99%